/* ===== Design tokens ===== */
:root {
  --color-primario: #003865;
  --color-secundario: #e6007e;
  --color-neon-azul: #4d9fff;
  --color-neon-rosa: #ff4da6;
  --color-whatsapp: #25d366;
  --color-texto: #e8edf5;
  --color-texto-claro: #8b9cb8;
  --color-fondo: #0a0e17;
  --color-fondo-alt: #0f1629;
  --color-superficie: rgba(255, 255, 255, 0.04);
  --color-borde: rgba(255, 255, 255, 0.08);
  --color-input: #151c2e;
  --color-blanco: #ffffff;
  --sombra: 0 8px 32px rgba(0, 0, 0, 0.4);
  --glow-azul: 0 0 40px rgba(77, 159, 255, 0.15);
  --glow-rosa: 0 0 40px rgba(255, 77, 166, 0.12);
  --radio: 16px;
  --radio-lg: 24px;
  --transicion: all 0.3s ease;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --nav-height: 72px;
}

/* ===== Reset & base ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--color-fondo);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(77, 159, 255, 0.12), transparent),
    radial-gradient(ellipse 60% 40% at 100% 50%, rgba(230, 0, 126, 0.06), transparent);
  color: var(--color-texto);
  line-height: 1.6;
  min-height: 100vh;
}

h1, h2, h3 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
  height: auto;
}

/* ===== Navigation ===== */
.nav-futura {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(20px, 4vw, 48px);
  background: rgba(10, 14, 23, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: var(--transicion);
}

.nav-futura.scrolled {
  background: rgba(10, 14, 23, 0.92);
  border-bottom-color: var(--color-borde);
  box-shadow: var(--glow-azul);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-texto);
}

.nav-logo img {
  height: 36px;
  width: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-menu a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-texto-claro);
  transition: color 0.2s ease;
}

.nav-menu a:hover {
  color: var(--color-neon-azul);
}

.nav-cta {
  padding: 10px 22px !important;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--color-primario), var(--color-secundario));
  color: var(--color-blanco) !important;
  box-shadow: var(--glow-rosa);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(255, 77, 166, 0.35);
  color: var(--color-blanco) !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: var(--color-superficie);
  border: 1px solid var(--color-borde);
  border-radius: 10px;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--color-texto);
  border-radius: 2px;
  transition: var(--transicion);
}

/* ===== Hero ===== */
header,
header.hero-grid {
  position: relative;
  background:
    linear-gradient(180deg, rgba(10, 14, 23, 0.75) 0%, rgba(10, 14, 23, 0.92) 100%),
    linear-gradient(135deg, rgba(0, 56, 101, 0.5) 0%, rgba(230, 0, 126, 0.25) 100%),
    url('../images/office.avif') center/cover no-repeat;
  color: var(--color-texto);
  padding: calc(var(--nav-height) + 80px) 20px 120px;
  text-align: center;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

header.hero-grid::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(77, 159, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(77, 159, 255, 0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 20%, transparent 75%);
  animation: gridDrift 20s linear infinite;
  pointer-events: none;
  z-index: 0;
}

@keyframes gridDrift {
  0% { transform: translate(0, 0); }
  100% { transform: translate(60px, 60px); }
}

header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--color-fondo), transparent);
  pointer-events: none;
  z-index: 1;
}

.logo-container,
header h2,
header .btn-principal {
  position: relative;
  z-index: 2;
}

.logo-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  margin-bottom: 40px;
}

.logo {
  height: 70px;
  width: auto;
  filter: drop-shadow(0 0 20px rgba(77, 159, 255, 0.3));
  transition: var(--transicion);
}

.logo:hover {
  transform: scale(1.05);
}

.nombre-empresa {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-blanco) 0%, var(--color-neon-azul) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

header h2 {
  font-size: clamp(1.2rem, 3vw, 1.75rem);
  font-weight: 500;
  line-height: 1.5;
  max-width: 800px;
  margin: 0 auto 40px;
  color: var(--color-texto-claro);
}

.btn-principal {
  display: inline-block;
  padding: 16px 40px;
  text-decoration: none;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--color-blanco);
  background: transparent;
  border: 2px solid var(--color-neon-rosa);
  box-shadow: var(--glow-rosa), inset 0 0 20px rgba(255, 77, 166, 0.05);
  transition: var(--transicion);
  cursor: pointer;
}

.btn-principal:hover {
  background: linear-gradient(135deg, var(--color-secundario), var(--color-neon-rosa));
  transform: translateY(-4px);
  box-shadow: 0 0 40px rgba(255, 77, 166, 0.4);
}

/* ===== Sections ===== */
section {
  padding: 100px 20px;
  max-width: 1200px;
  margin: auto;
  scroll-margin-top: calc(var(--nav-height) + 16px);
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

section.visible {
  opacity: 1;
  transform: translateY(0);
}

.section-dark {
  position: relative;
}

h2 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 700;
  color: var(--color-texto);
  margin-bottom: 40px;
  text-align: center;
  position: relative;
}

h2::after {
  content: '';
  display: block;
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-neon-azul), var(--color-neon-rosa));
  margin: 20px auto 0;
  border-radius: 2px;
  box-shadow: var(--glow-rosa);
}

/* ===== Nosotros ===== */
.nosotros-contenido {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.nosotros-texto p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--color-texto-claro);
}

.nosotros-texto p span {
  display: block;
  margin-bottom: 20px;
}

.nosotros-texto p span:first-child {
  font-weight: 600;
  color: var(--color-texto);
  position: relative;
  padding-bottom: 15px;
}

.nosotros-texto p span:first-child::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-neon-azul), var(--color-neon-rosa));
  border-radius: 2px;
}

.nosotros-imagen {
  position: relative;
}

.nosotros-imagen::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: var(--radio-lg);
  background: linear-gradient(135deg, var(--color-neon-azul), var(--color-neon-rosa));
  opacity: 0.6;
  z-index: 0;
}

.nosotros-imagen img {
  position: relative;
  z-index: 1;
  width: 100%;
  border-radius: var(--radio-lg);
  box-shadow: var(--sombra), var(--glow-azul);
  transition: var(--transicion);
}

.nosotros-imagen:hover img {
  transform: scale(1.02);
  box-shadow: var(--sombra), 0 0 50px rgba(77, 159, 255, 0.25);
}

/* ===== Servicios ===== */
.grid-servicios {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.card {
  background: var(--color-superficie);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 40px 28px;
  border-radius: var(--radio);
  border: 1px solid var(--color-borde);
  text-align: center;
  transition: var(--transicion);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-neon-azul), var(--color-neon-rosa));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card:hover {
  transform: translateY(-8px);
  border-color: rgba(77, 159, 255, 0.25);
  box-shadow: var(--glow-azul), var(--glow-rosa);
}

.card:hover::before {
  opacity: 1;
}

.card img {
  width: 64px;
  height: 64px;
  margin-bottom: 24px;
  filter: brightness(1.2) drop-shadow(0 0 12px rgba(77, 159, 255, 0.3));
  transition: var(--transicion);
}

.card:hover img {
  transform: scale(1.08);
}

.card h3 {
  color: var(--color-texto);
  margin-bottom: 12px;
  font-size: 1.25rem;
}

.card p {
  color: var(--color-texto-claro);
  line-height: 1.65;
  font-size: 0.95rem;
}

/* ===== Contacto ===== */
#contacto {
  background: var(--color-superficie);
  backdrop-filter: blur(12px);
  border: 1px solid var(--color-borde);
  border-radius: var(--radio-lg);
  margin: 0 auto 60px;
  padding: 60px 40px;
  box-shadow: var(--glow-azul);
}

.texto-destacado {
  display: block;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-texto);
  margin: 0 auto 40px;
  padding: 16px 28px;
  text-align: center;
  max-width: max-content;
  position: relative;
  border: 1px solid var(--color-borde);
  border-radius: 999px;
  background: rgba(77, 159, 255, 0.06);
}

.texto-destacado::before,
.texto-destacado::after {
  display: none;
}

form {
  max-width: 600px;
  margin: 0 auto;
  background: rgba(15, 22, 41, 0.6);
  padding: 40px;
  border-radius: var(--radio);
  border: 1px solid var(--color-borde);
}

.form-group {
  margin-bottom: 24px;
}

label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--color-texto-claro);
  font-size: 0.9rem;
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--color-borde);
  border-radius: 10px;
  font-size: 1rem;
  font-family: var(--font-body);
  background: var(--color-input);
  color: var(--color-texto);
  transition: var(--transicion);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
textarea:focus {
  border-color: var(--color-neon-azul);
  box-shadow: 0 0 0 3px rgba(77, 159, 255, 0.2);
  outline: none;
}

textarea {
  min-height: 140px;
  resize: vertical;
}

input[type="submit"] {
  background: linear-gradient(135deg, var(--color-primario), var(--color-secundario));
  color: var(--color-blanco);
  border: none;
  padding: 16px 35px;
  font-size: 1rem;
  font-family: var(--font-display);
  font-weight: 600;
  border-radius: 999px;
  cursor: pointer;
  transition: var(--transicion);
  width: 100%;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

input[type="submit"]:hover {
  transform: translateY(-3px);
  box-shadow: var(--glow-rosa);
}

#mensaje-formulario {
  padding: 15px;
  margin: 20px auto 0;
  border-radius: var(--radio);
  text-align: center;
  max-width: 600px;
}

.mensaje-exito {
  background: rgba(46, 125, 50, 0.15);
  border: 1px solid rgba(76, 175, 80, 0.4);
  border-left: 4px solid #4caf50;
  color: #a5d6a7;
  padding: 20px;
  border-radius: var(--radio);
}

.mensaje-exito h3 {
  color: #81c784;
  margin-top: 0;
}

.mensaje-exito .checkmark {
  color: #4caf50;
  font-size: 40px;
  text-align: center;
  margin: 15px 0;
}

.mensaje-error {
  background: rgba(198, 40, 40, 0.15);
  border: 1px solid rgba(244, 67, 54, 0.4);
  border-left: 4px solid #f44336;
  color: #ef9a9a;
  padding: 20px;
  border-radius: var(--radio);
}

.mensaje-error h3 {
  color: #e57373;
  margin-top: 0;
}

/* ===== Postulaciones ===== */
.section-postulaciones {
  max-width: 1200px;
  padding: 100px 20px;
  text-align: center;
}

.postulaciones-contenido {
  max-width: 700px;
  margin: 0 auto;
}

.subtitulo-postulaciones {
  color: var(--color-texto-claro);
  font-size: 1.15rem;
  margin-bottom: 48px;
}

.opciones-postulacion {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  justify-items: center;
}

.opcion-postulacion {
  background: var(--color-superficie);
  backdrop-filter: blur(12px);
  padding: 48px 36px;
  border-radius: var(--radio);
  border: 1px solid var(--color-borde);
  transition: var(--transicion);
  width: 100%;
  max-width: 520px;
}

.opcion-postulacion:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 77, 166, 0.3);
  box-shadow: var(--glow-rosa);
}

.icono-opcion {
  width: 72px;
  height: 72px;
  background: rgba(77, 159, 255, 0.1);
  border: 1px solid var(--color-borde);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  color: var(--color-neon-azul);
}

.icono-opcion svg {
  width: 32px;
  height: 32px;
}

.opcion-postulacion h3 {
  color: var(--color-texto);
  margin-bottom: 12px;
  font-size: 1.3rem;
}

.opcion-postulacion p {
  color: var(--color-texto-claro);
  margin-bottom: 28px;
  line-height: 1.65;
}

.btn-postulacion {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--color-primario), var(--color-secundario));
  color: var(--color-blanco);
  padding: 14px 28px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transicion);
  border: none;
  cursor: pointer;
}

.btn-postulacion:hover {
  transform: translateY(-3px);
  box-shadow: var(--glow-rosa);
}

/* ===== Footer ===== */
footer {
  background: #060a12;
  color: var(--color-texto);
  padding: 80px 20px 40px;
  margin-top: 0;
  position: relative;
  border-top: 1px solid transparent;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-neon-azul), var(--color-neon-rosa), transparent);
}

.footer-contenido {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 60px;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-logo img {
  height: 56px;
  margin-bottom: 20px;
  opacity: 0.95;
}

.footer-logo p {
  line-height: 1.7;
  color: var(--color-texto-claro);
  text-align: left;
}

.footer-contacto h3 {
  color: var(--color-texto);
  margin-bottom: 24px;
  font-size: 1.3rem;
  position: relative;
  display: inline-block;
}

.footer-contacto h3::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 50px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-neon-azul), var(--color-neon-rosa));
  border-radius: 2px;
}

.footer-contacto p {
  margin: 16px 0;
  color: var(--color-texto-claro);
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-contacto svg {
  width: 20px;
  height: 20px;
  fill: var(--color-neon-rosa);
  flex-shrink: 0;
}

.whatsapp-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--color-texto);
  text-decoration: none;
  margin-top: 16px;
  padding: 12px 24px;
  border-radius: 999px;
  background: rgba(37, 211, 102, 0.1);
  border: 1px solid rgba(37, 211, 102, 0.35);
  transition: var(--transicion);
  font-weight: 500;
}

.whatsapp-link:hover {
  background: rgba(37, 211, 102, 0.2);
  transform: translateY(-3px);
  box-shadow: 0 0 24px rgba(37, 211, 102, 0.25);
}

.whatsapp-link svg {
  width: 22px;
  height: 22px;
  fill: var(--color-whatsapp);
}

.footer-copyright {
  border-top: 1px solid var(--color-borde);
  padding-top: 28px;
  margin-top: 56px;
  text-align: center;
  color: var(--color-texto-claro);
  font-size: 0.88rem;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== WhatsApp flotante ===== */
.whatsapp-btn {
  position: fixed;
  bottom: 32px;
  right: 32px;
  background: var(--color-whatsapp);
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 30px rgba(37, 211, 102, 0.45);
  transition: var(--transicion);
  z-index: 999;
  animation: pulse 2.5s infinite;
}

.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 0 40px rgba(37, 211, 102, 0.6);
}

.whatsapp-btn svg {
  width: 32px;
  height: 32px;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.06); }
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  header.hero-grid::before {
    animation: none;
  }

  .whatsapp-btn {
    animation: none;
  }

  section,
  .card,
  .btn-principal {
    transition: none;
  }
}

/* ===== Responsive ===== */
@media (max-width: 992px) {
  .nosotros-contenido {
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(10, 14, 23, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-borde);
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
  }

  .nav-menu.nav-open {
    max-height: 320px;
    padding: 12px 0 20px;
  }

  .nav-menu a {
    width: 100%;
    padding: 14px 24px;
    text-align: center;
    border-bottom: 1px solid var(--color-borde);
  }

  .nav-menu a:last-child {
    border-bottom: none;
    margin-top: 8px;
  }

  header,
  header.hero-grid {
    padding: calc(var(--nav-height) + 60px) 20px 80px;
    min-height: auto;
  }

  .logo-container {
    flex-direction: column;
    gap: 12px;
  }

  section {
    padding: 70px 20px;
  }

  .nosotros-contenido {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .nosotros-texto {
    order: 2;
  }

  .nosotros-imagen {
    order: 1;
  }

  #contacto {
    padding: 40px 24px;
    margin-bottom: 40px;
  }

  form {
    padding: 28px 20px;
  }

  .footer-contenido {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .footer-logo,
  .footer-contacto {
    align-items: center;
  }

  .footer-logo p,
  .footer-contacto p {
    justify-content: center;
  }

  .footer-contacto h3::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .whatsapp-btn {
    width: 56px;
    height: 56px;
    bottom: 24px;
    right: 24px;
  }
}

@media (max-width: 480px) {
  .btn-principal {
    padding: 14px 28px;
    font-size: 0.95rem;
  }

  .texto-destacado {
    font-size: 1.05rem;
    padding: 12px 20px;
  }
}